Weiqi Gao's Observations - opensource tag

OpenDDS 2.0 Released

Fri, 25 Sep 2009 04:01:12 GMT

Steve Stallion has announced a new release of OpenDDS, an open source implementation of the Object Management Group (OMG) Data Distribution Service (DDS) by OCI. It is implemented in C++ and supports C++ and Java bindings.

OpenDDS.org:

Version 2.0 Released

We are pleased to announce the release of OpenDDS version 2.0!

This is the first release of OpenDDS that conforms to the minimum compliance profile as documented in formal/07-01-01 (version 1.2). Near-complete support for the persistence profile and initial support for the content-subscription profile is also provided in this release.

Numerous API updates have been introduced for 1.2 compliance.

A number of QoS policies have been updated or implemented to meet the minimum compliance profile:

DESTINATION_ORDER

ENTITY_FACTORY

LIVELINESS

PRESENTATION

READER_DATA_LIFECYCLE

TIME_BASED_FILTER

WRITER_DATA_LIFECYCLE

Fixed bugs in QueryCondition.

Fixed bugs in instance state management.

See the Release Notes for details.

OpenDDS 1.3 Released

Wed, 29 Jul 2009 12:07:04 GMT

Adam has announced a new release of OpenDDS, an open source implementation of the Object Management Group (OMG) Data Distribution Service (DDS) by OCI. It is implemented in C++ and supports C++ and Java bindings.

OpenDDS.org:
Version 1.3 Released

We are pleased to announce the release of OpenDDS version 1.3!

Improved OMG DDS 1.2 specification conformance:

Communication Status entity structures and behaviors

Implemented TRANSPORT_PRIORITY and LATENCY_BUDGET QoS

Implemented the ReadCondition interface and associated operations on the DataReader

Partially implemented the QueryCondition interface—only queries of the form "ORDER BY a[, b, c...]" have any effect

Implemented DataWriter::wait_for_acknowledgements()

Instance handles and related operations are now spec-compliant

Fixed bugs in DURABILITY, PARTITION and LIFESPAN QoS

Added a command-line utility, opendds_repo_ctl for controlling the DCPSInfoRepo server

Deleting a DataWriter now blocks, for a configurable amount of time, until pending samples have been delivered by the transport.

Added a Java Message Service 1.1 (JMS) provider built on top of OpenDDS

Added Windows Mobile 6 as a supported platform

See the Release Notes for details.

Another Month, Another Messaging Stack Goes Open Source...

Wed, 25 Feb 2009 02:55:08 GMT

... for those keeping track, here are the previous ones:

And now (this is not new news, but Adam and Ciju haven't heard of it, and so) this:

Dionysios G. Synodinos for InfoQ: Adobe has announced plans to publish the Real-Time Messaging Protocol (RTMP) specification, which is designed for high-performance transmission of audio, video, and data between Adobe Flash Platform technologies. This move that has followed the opening of the AMF spec has been received with varying degrees of enthusiasm from the RIA community.

And it

encapsulated within HTTP requests to traverse firewalls.